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<a name="gst-plugins-bad-plugins-glfilterapp"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-bad-plugins-glfilterapp.top_of_page"></a>glfilterapp</span></h2>
<p>glfilterapp</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glfilterapp.properties"></a><h2>Properties</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-glfilterapp.html#GstGLFilterApp--client-data" title="The “client-data” property">client-data</a></td>
<td class="property_flags">Write</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-glfilterapp.html#GstGLFilterApp--client-draw-callback" title="The “client-draw-callback” property">client-draw-callback</a></td>
<td class="property_flags">Write</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-glfilterapp.html#GstGLFilterApp--client-reshape-callback" title="The “client-reshape-callback” property">client-reshape-callback</a></td>
<td class="property_flags">Write</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glfilterapp.signals"></a><h2>Signals</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="signals_return">
<col width="300px" class="signals_name">
<col width="200px" class="signals_flags">
</colgroup>
<tbody><tr>
<td class="signal_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a></td>
<td class="signal_name"><a class="link" href="gst-plugins-bad-plugins-glfilterapp.html#GstGLFilterApp-client-draw" title="The “client-draw” signal">client-draw</a></td>
<td class="signal_flags"><a href="/usr/share/gtk-doc/html/gobjectgobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td>
</tr></tbody>
</table></div>
</div>
<a name="GstGLFilterApp"></a><div class="refsect1">
<a name="gst-plugins-bad-plugins-glfilterapp.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody><tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-plugins-glfilterapp.html#GstGLFilterApp-struct" title="struct GstGLFilterApp">GstGLFilterApp</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glfilterapp.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
    <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
        <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstObject.html#GstObject-struct">GstObject</a>
            <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstElement.html#GstElement-struct">GstElement</a>
                <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0GstBaseTransform.html#GstBaseTransform-struct">GstBaseTransform</a>
                    <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gst-plugins-bad-libs-1.0GstGLBaseFilter.html#GstGLBaseFilter-struct">GstGLBaseFilter</a>
                        <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gst-plugins-bad-libs-1.0GstGLFilter.html#GstGLFilter-struct">GstGLFilter</a>
                            <span class="lineart">╰──</span> GstGLFilterApp
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glfilterapp.description"></a><h2>Description</h2>
<p>The resize and redraw callbacks can be set from a client code.</p>
<div class="refsect2">
<a name="id-1.2.68.8.3"></a><h3>CLient callbacks</h3>
<p>
The graphic scene can be written from a client code through the 
two glfilterapp properties.
</p>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.68.8.4"></a><h3>Examples</h3>
see gst-plugins-gl/tests/examples/generic/recordgraphic
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.68.8.5.1"></a><h3>Element Information</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">plugin</span></p></td>
<td>
            <a class="link" href="gst-plugins-bad-plugins-plugin-opengl.html#plugin-opengl">opengl</a>
          </td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Julien Isorce &lt;julien.isorce@gmail.com&gt;</td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Filter/Effect</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.68.8.5.2"></a><h3>Element Pads</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>video/x-raw(ANY), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw(memory:GLMemory), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D</td>
</tr>
</tbody>
</table></div>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>src</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>source</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>video/x-raw(memory:GLMemory), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw(ANY), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glfilterapp.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glfilterapp.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstGLFilterApp-struct"></a><h3>struct GstGLFilterApp</h3>
<pre class="programlisting">struct GstGLFilterApp;</pre>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glfilterapp.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstGLFilterApp--client-data"></a><h3>The <code class="literal">“client-data”</code> property</h3>
<pre class="programlisting">  “client-data”              <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a></pre>
<p>Pass data to the draw and reshape callbacks.</p>
<p>Flags: Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLFilterApp--client-draw-callback"></a><h3>The <code class="literal">“client-draw-callback”</code> property</h3>
<pre class="programlisting">  “client-draw-callback”     <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a></pre>
<p>Define a custom draw callback in a client code.</p>
<p>Flags: Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLFilterApp--client-reshape-callback"></a><h3>The <code class="literal">“client-reshape-callback”</code> property</h3>
<pre class="programlisting">  “client-reshape-callback”  <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a></pre>
<p>Define a custom reshape callback in a client code.</p>
<p>Flags: Write</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glfilterapp.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GstGLFilterApp-client-draw"></a><h3>The <code class="literal">“client-draw”</code> signal</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
user_function (<a class="link" href="gst-plugins-bad-plugins-glfilterapp.html#GstGLFilterApp"><span class="type">GstGLFilterApp</span></a> *object,
               <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a>           texture,
               <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a>           width,
               <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a>           height,
               <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>        user_data)</pre>
<p>Will be emitted before to draw the texture.  The client should
redraw the surface/contents with the <em class="parameter"><code>texture</code></em>
, <em class="parameter"><code>width</code></em>
 and <em class="parameter"><code>height</code></em>
.</p>
<div class="refsect3">
<a name="GstGLFilterApp-client-draw.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>object</p></td>
<td class="parameter_description"><p>the <a class="link" href="gst-plugins-bad-plugins-glimagesinkelement.html#GstGLImageSink"><span class="type">GstGLImageSink</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>texture</p></td>
<td class="parameter_description"><p>the <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> id of the texture.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>width</p></td>
<td class="parameter_description"><p>the <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> width of the texture.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>height</p></td>
<td class="parameter_description"><p>the <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> height of the texture.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="GstGLFilterApp-client-draw.returns"></a><h4>Returns</h4>
<p> whether the texture was redrawn by the signal.  If not, a
default redraw will occur.</p>
</div>
<p>Flags: <a href="/usr/share/gtk-doc/html/gobjectgobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p>
</div>
</div>
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